Notwithstanding both the timing of LCIs release and the coincidence with the banned list, Tidebender looks to be a formidable answer to the most pervasive of cards in the format, most notably The potential of Tidebender is really strong
The word Mox usually indicates a powerful card, though most of them are either banned in Commander or tuned for Constructed/cEDH
Tims Zuran Spellcaster (Ice Age/Alliances) , Suq'Ata Firewalker (Mirage/Visions/Weatherlight) , Rootwater Hunter (Tempest/Stronghold/Exodus) , Thornwind Faeries (Saga/Legacy/Destiny) , Stinging Barrier (Masques/Nemesis/Prophecy) Psionic Gift and Hermetic Study are fine, but they require a two card investment: the creature you are enchanting, and the enchantment itself
Teferi, Mage of Zhalfir Teferi, Mage of Zhalfir is another Commander staple that dominates games on its own when unanswered
With only a cost of one, this card has no strength and a willpower value of one